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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
According to fossil evidence, how far back in time did life on Earth exist?
A) About 3.5 billion years or more
B) About 2.0 billion years
C) About 545 million years
D) About 65 million years
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padrepadre
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10 years ago
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killian Author
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#2
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10 years ago
Thank you.
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